﻿<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <style type="text/css">
        body, html {
            width: 100%;
            height: 100%;
            margin: 0;
            font-family: "微软雅黑";
        }

        #allmap {
            width: 100%;
            height: 500px;
        }

        p {
            margin-left: 5px;
            font-size: 14px;
        }
    </style>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=ZtOic4MnOSLOCAH4WqkeyWuQ"></script>
    <title>圆形区域搜索</title>
</head>
<body>
    <div>
        关键字：  <input id="keyword" type="textbox" value="酒店">
        搜索范围 <input id="radius" type="textbox" value="2000" />
        <input type="button" value="search" onclick="searchKeyword()">
    </div>
<div id="allmap"></div><p>输入关键词，点击search查寻，查寻范围这一个圆形区域。</p>
</body>
</html>
<script type="text/javascript">
    // 百度地图API功能
    var map = new BMap.Map("allmap");            // 创建Map实例
    var mPoint = new BMap.Point(87.04778, 48.665286);
    map.enableScrollWheelZoom();
    map.centerAndZoom(mPoint, 15);

    var circle = new BMap.Circle(mPoint, 1000,
        { fillColor: "blue", strokeWeight: 1, fillOpacity: 0.3, strokeOpacity: 0.3 });
    map.addOverlay(circle);
    var local = new BMap.LocalSearch(map, { renderOptions: { map: map, autoViewport: false } });
   // local.searchNearby('餐馆', mPoint, 1000);


    function searchKeyword() {
        var keyword = document.getElementById("keyword").value;
       // var region = new qq.maps.LatLng(48.6589239484962, 87.04087972640991);
        var radius = document.getElementById("radius").value;
        circle.setRadius(radius);
        //mapCircel.radius = radius;
        local.searchNearby(keyword, mPoint, parseInt(radius));
        local.setSearchCompleteCallback(function() {
            var result = local.getResults();
        });
    }

    searchKeyword();
</script>
